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Finding the Fourth Proportional to 223,418.60, 335,127.90 and 130,106.60

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Solution

The fourth proportional to 223,418.60, 335,127.90 and 130,106.60 is: 195,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,418.60 : 335,127.90 = 130,106.60 : x
  2. Step 2: Convert to fraction form
    223,418.60/335,127.90 = 130,106.60/x
  3. Step 3: Cross multiply
    223,418.60x = 335,127.90 × 130,106.60
  4. Step 4: Simplify right side
    223,418.60x = 43,602,351,634.14
  5. Step 5: Solve for x
    x = 43,602,351,634.14/223,418.60
  6. Step 6: Final answer
    x = 195,159.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.